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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Watching a star for IE: an obturator trick?
From: Tony Oz
Date: 2019 Dec 10, 09:10 -0800
From: Tony Oz
Date: 2019 Dec 10, 09:10 -0800
Dear Brad,
I did try this and noticed that it only is capable to discover the (big enough) side error. Even if the side error is as small as IE - it too is not that easy to observe. I calculate the IE by limb-to-limb Sun's SD measurement though.
May be this means I'm not as skilled or my sight is aging - or, - my sextants are too old and worn...
The only way for me to eliminate both the side error and IE - is by star+"obturator" trick.
Warm regards,
Tony
60°N 30°E
